1 Kings 22:41 | Matthew Henry's Commentary

And Jehoshaphat the son of Asa began to reign over Judah in the fourth year of Ahab king of Israel. — 1 Kings 22:41

Source Coverage: 1 Kings 22:41-50

Jehoshaphat's reign appears to have been one of the best, both as to piety and prosperity. He pleased God, and God blessed him.